4.17-stable review patch. If anyone has any objections, please let me know.
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From: Adrian Hunter adrian.hunter@intel.com
commit bd2e49ec48feb1855f7624198849eea4610e2286 upstream.
It is possible to have a CBR packet between a FUP packet and corresponding TIP packet. Stop treating it as an error.
Signed-off-by: Adrian Hunter adrian.hunter@intel.com Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-3-git-send-email-adrian.hunter@int... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1604,7 +1604,6 @@ static int intel_pt_walk_fup_tip(struct case INTEL_PT_PSB: case INTEL_PT_TSC: case INTEL_PT_TMA: - case INTEL_PT_CBR: case INTEL_PT_MODE_TSX: case INTEL_PT_BAD: case INTEL_PT_PSBEND: @@ -1620,6 +1619,10 @@ static int intel_pt_walk_fup_tip(struct decoder->pkt_step = 0; return -ENOENT;
+ case INTEL_PT_CBR: + intel_pt_calc_cbr(decoder); + break; + case INTEL_PT_OVF: return intel_pt_overflow(decoder);